linux-kernel - Re: linux-next: build warning after merge of the nand tree

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Message-ID: <20201120130123.1ca9e7af@collabora.com>
Date:   Fri, 20 Nov 2020 13:01:23 +0100
From:   Boris Brezillon <boris.brezillon@...labora.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the nand tree

On Fri, 20 Nov 2020 12:23:59 +0100
Miquel Raynal <miquel.raynal@...tlin.com> wrote:

> Hi Serge,
> 
> Stephen Rothwell <sfr@...b.auug.org.au> wrote on Fri, 20 Nov 2020
> 11:39:29 +1100:
> 
> > Hi all,
> > 
> > After merging the nand tree, today's linux-next build (x86_64
> > allmodconfig) produced this warning:
> > 
> > drivers/mtd/maps/physmap-bt1-rom.c: In function 'bt1_rom_map_read':
> > drivers/mtd/maps/physmap-bt1-rom.c:39:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> >    39 |  shift = (unsigned int)src & 0x3;
> >       |          ^
> > drivers/mtd/maps/physmap-bt1-rom.c: In function 'bt1_rom_map_copy_from':
> > drivers/mtd/maps/physmap-bt1-rom.c:78:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> >    78 |  shift = (unsigned int)src & 0x3;
> >       |          ^
> > 
> > Introduced by commit
> > 
> >   69a75a1a47d8 ("mtd: physmap: physmap-bt1-rom: Fix __iomem addrspace removal warning")
> >   
> 
> Too bad :/ I'll drop this patch for now, let's look for another
> solution...

uintptr_t cast?